Answer — Exercise 51.1
Unit 51 - Auxiliary verbs·English Grammar in Use
Pergunta
Complete each sentence with an auxiliary verb (do / was / could etc.). Sometimes the verb must be negative (don’t / wasn’t etc.).
Resposta
- were
- doesn't
- was
- will
- am; isn't / 'm not; is / can; can't / can't; can / am; can't / can't is
- should
- won't
- do
- didn't
- would; could; can’t